Printing head



FIG. 1 is a side elevational view of a printing head showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view taken from the top, rear and one sidethereof; and,

FIG. 7 is the side opposite that shown in FIG. 1 thereof.

The ornamental design for a printing head, as shown and described.